Addition
Subtraction
Multiplication
Division
Number Theory
100

3.4 + 2.4 = ?

5.8

100

19/25 - 1/2 = ?

13/50

100

0.2 x 1.3 = ?

0.26

100

4 ÷ 2/3 = ?

6

100

Express as an improper fraction: 3 1/16

49/16

200

Adam used up 2/7 of his memory on his phone in January. By August, he used up 6/14 of his memory. What is the total amount of memory Adam used up on his phone?

5/7 memory space

200

19.729 - 4.32 = ?

15.409

200

8/9 x 9/10 = ?

4/5

200

4.55 ÷ 5 = ?

0.91

200

What is the product of 12.3 and 2?

24.6

300

25.348 + 19.832 = ?

45.18

300

Isaac is allowed to play video games for 5/8 hours in a day. He has already played for 2/16 hours. How many hours does he have left?

4/8 hours

300

232 x 0.93 = ?

215.76

300

A baker is making cakes for a big party. She uses 1/4 cup of oil for each cake. How many cakes can she make if she has a bottle of oil that has 6 cups in it?

24 cakes

300

What is the sum of 3.45 and 8.2?

11.65

400

In Kyle's history class, 5/8 of the students are making videos for their final project and 1/4 are making dioramas. What fraction of the students are making either a video or a diorama?

7/8 of the students

400

1289.36 - 47.627 =

1241.733

400

One of the cats in the neighborhood had six kittens all about the same size. If each of the new kittens weighed about 5 1/2 ounces, how much would all the new kittens weigh?

33 ounces

400

12 ÷ 0.04 = ?

300

400

What is the difference between 38.376 and 4.3?

34.076

500

5439.3298 + 2.39 = ?

5441.7198

500

Tyler and Katie had a bottle of lemonade they used to sell. On Wednesday, they sold 2/5 of the lemonade. On Thursday, they sold 4/10 of the lemonade. How much lemonade is left in the bottle.

1/5 of the lemonade

500

12.376 x 34.1 = ?

422.0216

500

Mary has 1/7 yard of ribbon. She wants to share it equally among herself and 3 friends. How much ribbon did each person get?

1/28 yard of ribbon

500

Find the Least Common Multiple for 15, 75, 25.

75

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